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Answered WHY

Discussion in 'Troubleshooting' started by Monder, Sep 11, 2016.

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  1. Monder

    Monder New Member

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    Hi everyone,
    I uploaded a picture of my problem please help.
    Thank you,
     

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    #1 Monder, Sep 11, 2016
  2. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Temperatures?
    Filament material?
     
    #2 mark tomlinson, Sep 12, 2016
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  3. Geof

    Geof Volunteer Moderator
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    yes more information on your set up is needed to be able to do more than wildly guess. (wild guess would be adhesion or z offset issue)
     
    #3 Geof, Sep 12, 2016
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  4. Monder

    Monder New Member

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    Thank you for reply,
    Temperature for heated bed 65°
    Material PLA
    Nozzle 0.25
     
    #4 Monder, Sep 12, 2016
  5. Monder

    Monder New Member

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    Thank you for reply,
    Temperature for heated bed 65°
    Material PLA
    Nozzle 0.25

     
    #5 Monder, Sep 12, 2016
  6. Monder

    Monder New Member

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    Thank you for replying,
    Sorry what's the adhesion I tried to google it but I didn't find an answer.
     
    #6 Monder, Sep 12, 2016
  7. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    That is a really hot bed for a PLA print
     
    #7 mark tomlinson, Sep 12, 2016
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  8. danzca6

    danzca6 Well-Known Member

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    I only go 50C with the bed using PLA. I know I have seen some preset profiles going to 60 or 65, but that should really not be needed. Try going to 50C and hopefully that helps.
     
    #8 danzca6, Sep 12, 2016
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  9. danzca6

    danzca6 Well-Known Member

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    adhesion is bed adhesion. Are you using hairspray or glue on the bed to help get the filament to adhere to the glass?
     
    #9 danzca6, Sep 12, 2016
  10. Monder

    Monder New Member

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    Thanks for replying,
    Unfortunately when I delivered my printer the glass were broken and it was hard to order another one here in Libya, so I applied an alaminume plate above the glass and it's working fine
     
    #10 Monder, Sep 12, 2016
  11. Monder

    Monder New Member

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    Thank you all,
    I'll try it and get back to you
     
    #11 Monder, Sep 12, 2016
  12. Geof

    Geof Volunteer Moderator
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    Throw some hairspray down and drop the bed heat as the others have said is a great place to start. I use to do pla at 60 but it sticka better at 30-40 ive found.
     
    #12 Geof, Sep 12, 2016
  13. Geof

    Geof Volunteer Moderator
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    If your under warranty id push them to send you a new bed regardless of your location :) warranty is wsrranty unless they have some oddball stipulations. In which case id demand a replacement printer be shipped :)
     
    #13 Geof, Sep 12, 2016
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  14. Monder

    Monder New Member

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    GREAT it works thanks everyone @Geof @danzca6 @mark tomlinson
    I have another question please, the print quality is poor how to make it perfect

    I'm using E3d head
    Nozzle dim 0.6
    Infill type Grid
    Infill overlap 0.06
    Infill density 0.25

    Cheers
     

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    #14 Monder, Sep 15, 2016
  15. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    Layer height?
    # of top and bottom solid layers?
     
    #15 mark tomlinson, Sep 15, 2016
  16. Monder

    Monder New Member

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    Layer height 0.6
    Top solid layers 1.6mm
    Bottom solid layers 1mm
     
    #16 Monder, Sep 15, 2016
  17. danzca6

    danzca6 Well-Known Member

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    OK the math is off a bit. Do you really have a .6mm nozzle and you are trying to do a .6 layer height? If .6 is your layer height than you top and bottom layers needed to be a multiple of that. 1.6 is not an even multiple. What about border width? Same thing... Needs to be a multiple of your nozzle size.
     
    #17 danzca6, Sep 15, 2016
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  18. danzca6

    danzca6 Well-Known Member

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    Also I think layer height is only supposed to go up to 75% the nozzle size
     
    #18 danzca6, Sep 15, 2016
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  19. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    and (honestly) your layer height should be somewhere in the 30%-60% range of the nozzle diameter.
    This is a good rule of thumb. Sure, other variants will work, but that is the easiest setting to get good results.
     
    #19 mark tomlinson, Sep 15, 2016
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  20. mark tomlinson

    mark tomlinson ༼ つ ◕_ ◕ ༽つ
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    You are correct. That is the suggested max.
    @Printed Solid and some others will disagree with that number :) But ... I maintain that is the easiest range to get good results. You can (like anything else) push these with practice*.

    Most slicers default to 50% which is solid in the middle of that range (0.4 nozzle -> 0.2 layer height, etc).


    * @tesseract did some 0.05 examples with a 0.4 nozzle so ... doable once you get all the settings correct. Feel free to search forum for his pictures :) Actually looks like he eventually went as low as 0.01 http://community.robo3d.com/index.php?threads/highest-quality-print.5578/#post-47891 no pictures of that though

    Found it: http://community.robo3d.com/index.php?threads/jeffs-printer-has-arrived.796/
     
    #20 mark tomlinson, Sep 15, 2016
    Last edited: Sep 15, 2016
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